CN115347226B - Online sealing detection packaging equipment for lithium battery production - Google Patents
Online sealing detection packaging equipment for lithium battery production Download PDFInfo
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- CN115347226B CN115347226B CN202211279624.2A CN202211279624A CN115347226B CN 115347226 B CN115347226 B CN 115347226B CN 202211279624 A CN202211279624 A CN 202211279624A CN 115347226 B CN115347226 B CN 115347226B
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 46
- 238000009966 trimming Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 18
- 238000013519 translation Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 4
- 206010040007 Sense of oppression Diseases 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 35
- 239000010959 steel Substances 0.000 abstract description 35
- 238000000605 extraction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 description 17
- 230000000903 blocking effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses packaging equipment for lithium battery production with online sealing detection, which relates to the technical field of lithium battery packaging and comprises a tab adjusting component, a cap welding component, a trimming component, a sealing component, a detection component, an logistics belt, a first machine table and a second machine table, wherein the logistics belt penetrates through the middle position of the first machine table and the second machine table, the tab adjusting component is arranged on one side of the first machine table, the cap welding component is arranged on one side of the tab adjusting component close to the center of the first machine table, the trimming component is arranged on one side of the cap welding component far away from the tab adjusting component, the sealing component is arranged on one side of the second machine table close to the first machine table, and the detection component is arranged on one side of the sealing component far away from the trimming component. The fixing unit realizes active gas extraction from the inner part of the cap in the process of primary sealing of the cap, and the gas extraction does not damage the steel shell body.
Description
Technical Field
The invention relates to the technical field of lithium battery packaging, in particular to packaging equipment for lithium battery production, which is used for online sealing detection.
Background
Along with the development of modern construction, the consumption speed of fossil energy is more and more rapid, the lithium battery is used as a new energy source and becomes a good substitute of the fossil energy source, particularly, the battery pack consisting of 18650 and 21700 cylindrical lithium batteries is more and more commonly applied to the field of electric automobiles, but the packaging process of the cylindrical lithium battery is more complicated, and the existing packaging equipment still has defects to a certain extent.
The existing lithium battery packaging equipment cannot take out gas existing in a steel shell when a cover cap is sealed in the steel shell, and moisture contained in the gas may influence the normal operation of the battery. On the other hand, the gas filled in the battery is easy to break when the bulge phenomenon occurs, and the residual gas in the annular groove of the battery cap can influence the edge rolling effect of the steel shell, so that the steel shell cannot be tightly attached to the cap.
The conventional lithium battery packaging equipment lacks a packaging online detection function, and a few lithium battery packaging equipment with the online detection function can cause irreversible damage to the battery. And the conventional detection can only detect the packaging condition of the battery in a normal state, and cannot detect whether the battery can keep the package in a bulge state.
Disclosure of Invention
The invention aims to provide packaging equipment for lithium battery production, which is used for online sealing detection, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a lithium cell production of online seal detection is with encapsulation equipment, including utmost point ear adjusting part, the capping welding subassembly, the border subassembly, a sealing component, a detecting element, the commodity circulation area, first board, the second board, utmost point ear adjusting part, the capping welding subassembly, border subassembly and first board fastening connection, a sealing component, detecting element and second board fastening connection, the commodity circulation area is from first board, the second board intermediate position passes, utmost point ear adjusting part sets up in first board one side, the capping welding subassembly sets up and is close to first board center one side at utmost point ear adjusting part, the border subassembly sets up the one side of keeping away from utmost point ear adjusting part at the capping welding subassembly, sealing component sets up the one side of being close to first board at the second board, detecting element sets up the one side of keeping away from the border subassembly at sealing component. Utmost point ear adjusting part adjusts the angle of cylinder battery, guarantee utmost point ear and all towards same position, be provided with the battery on the logistics area and hold in the palm the cup, can tentatively prescribe a limit to the battery position, the battery moves ahead according to fixed beat under the drive in logistics area, block welding subassembly department is sent into to the battery through utmost point ear adjustment, the block of battery is welded on utmost point ear, and press the block in the battery box hat, the border subassembly carries out the border operation to the box hat, with fixed block, seal assembly is fixed with block and box hat, the detection subassembly detects the leakproofness of battery. The fixing unit realizes active gas extraction from the inner part of the cap in the process of primary sealing of the cap, and the gas extraction does not damage the steel shell body.
Furthermore, the tab adjusting assembly comprises an adjusting wheel, a positioning wheel, a first push block, a second push block, an correlation grating, a connecting frame, a first electric cylinder, a second electric cylinder, an adjusting motor, the adjusting wheel is connected with the first push block in a rotating mode, the positioning wheel is provided with two positioning wheels, the two positioning wheels are connected with the second push block in a rotating mode, the two positioning wheels are arranged adjacently, the first push block, the second push block and the first machine platform are connected in a sliding mode, the adjusting motor is connected with the first push block in a fastening mode, an output shaft of the adjusting motor is connected with the positioning wheel in a fastening mode, the first electric cylinder, the second electric cylinder and the first machine platform are connected in a fastening mode, an output shaft of the first electric cylinder is connected with the first push block in a fastening mode, an output shaft of the second electric cylinder is connected with the second push block in a fastening mode, the connecting frame is connected with the first machine platform in a fastening mode, and the correlation grating is connected with the connecting frame in a fastening mode. The cylinder battery passes through utmost point ear adjusting part in proper order under the drive of commodity circulation area, every beat has a cylinder battery to stop between positioning wheel and adjustment wheel, first electric jar, the second electric jar promotes first ejector pad, the second ejector pad removes, two positioning wheels are with cylinder battery box hat centre gripping, the adjustment wheel top is at the cylinder battery opposite side, the adjustment motor drives the cylinder battery and rotates, the utmost point ear of cylinder battery is located between the correlation grating, the state of correlation grating according to the scope of being blockked by utmost point ear confirms the battery, when blockking the scope and reaching the setting value, it is just to welding position to show utmost point ear adjustment, adjustment motor stall this moment, first electric jar, the second electric jar resets.
Furthermore, the nut cap welding assembly comprises a laser welding head, a nut cap conveying belt, a material taking mechanical hand and a guide pipe, the laser welding head is located on one side of the logistic zone, the guide pipe is located on the other side of the logistic zone, the material taking mechanical hand is arranged on one side, away from the laser welding head, of the guide pipe, and the nut cap conveying belt is arranged on one side, away from the guide pipe, of the material taking mechanical hand. The block cover is arranged on the outer side of the cap welding assembly and provides welding protection, the cap is sucked up from the cap conveying belt by the material taking mechanical arm, the cap is sent into the guide pipe, the material taking mechanical arm can be far away from the material flow belt by the aid of the guide pipe, and the material taking mechanical arm can obtain a larger operation space. The cap is moved to the lug of the cylindrical battery by the guide pipe, and the cap and the lug are welded by the laser welding head. The nut cap of the battery is provided with an annular groove, one side of the guide pipe close to the laser welding head is provided with an elastic fixture block, the elastic fixture block can be clamped into the annular groove of the nut cap, after each nut cap is welded, the material taking manipulator plugs a new nut cap at the other end of the guide pipe, the welded nut cap is separated from the limitation of the elastic fixture block, and the elastic fixture block moves to a next station along with the battery.
Further, the cap welding assembly further comprises a fixing unit, the fixing unit comprises a lifting motor, a screw rod, a nut plate, a suction pipe, a fixed disc, a guide sleeve, an air exhaust pipe, a branch pipe, a movable mechanical arm, the movable mechanical arm is connected with the first machine platform in a fastening mode, a setting plate is arranged at the movable end of the movable mechanical arm, the lifting motor is connected with the setting plate in a fastening mode, an output shaft of the lifting motor is connected with the screw rod in a fastening mode, a guide shaft is arranged between the guide sleeve and the setting plate, two ends of the guide shaft are respectively connected with the guide sleeve and the setting plate in a fastening mode, the screw rod is connected with the guide sleeve in a rotating mode, the nut plate is connected with the guide shaft in a sliding mode, a transmission nut is arranged on the nut plate, the transmission nut is meshed with the screw rod, the suction pipe is connected with the fixed disc in a fastening mode, the suction pipe is connected with the fixed disc in a sliding mode, the guide sleeve is connected with the guide sleeve in a sliding mode, an inner conical surface is arranged on one end wall of the guide sleeve far away from the suction pipe, the branch pipe is embedded into the side wall of the guide sleeve, one end of the suction pipe and the guide sleeve, a sealing space between the fixed disc is communicated with the end face of the branch pipe, the other end of the branch pipe, the end face of the branch pipe, the end of the branch pipe is communicated with the end of the guide sleeve, and the inner wall of the guide sleeve. The mobile mechanical arm drives the setting plate to move to the cap position, the straw stretches out to adsorb the cap, the cap slides into inside the guide sleeve, the mobile mechanical arm drives the guide sleeve again and inserts in the box hat of lithium cell, the box hat upper end is enlarged by the inner conical surface, the guide sleeve card is between box hat and cap, the straw pushes the cap under elevator motor's drive, when the straw removes, the fixed disk removes, the confined space takes out the inside gas of battery box hat along the exhaust tube, when cap one end breaks away from the guide sleeve, the cap has been filled in inside the box hat, the cap is preliminary sealed with the box hat, the exhaust tube no longer bleeds, the bleeder pipe gets into the ring channel region on the cap this moment, along with the cap further removes, ring channel department is also taken out the negative pressure, when waiting for the cap to fill in completely in the box hat, the guide sleeve removes earlier and takes out, the straw loosens the absorption to the cap again. The fixing unit realizes active extraction of gas in the cap in the process of primary sealing of the cap, and the gas extraction does not damage the steel shell body. On the other hand, the fixing unit also extracts negative pressure from the annular groove position on the cap, the close and dense degree of the joint when the edge rolling of the steel shell can be obviously promoted by extracting gas from the annular groove position of the cap, the packaging effect of the lithium battery is enhanced, the negative pressure environment inside the battery is maintained, and the anti-bulging capacity of the battery is also promoted to a certain extent.
Further, the border subassembly includes the mounting bracket, rotatory piece, the rotating electrical machines, the pneumatic cylinder, the sliding block, the hinge bar, the translation piece, the border wheel, mounting bracket and first platform fastening connection, rotatory piece and mounting bracket bottom are rotated and are connected, rotating electrical machines and mounting bracket top fastening connection, the output shaft and the rotatory piece fastening connection of rotating electrical machines, sliding block and rotatory piece lateral wall sliding connection, translation piece and rotatory piece bottom sliding connection, hinge bar one end and sliding block are articulated, the hinge bar other end and translation piece are articulated, border wheel and translation piece rotate and are connected, the translation piece, the hinge bar, the border wheel is provided with two sets ofly, two sets of hinge bars and same sliding block are articulated. When the battery reaches the position of the edge rolling component, the hydraulic cylinder drives the sliding block to move upwards, the hinge rod drives the two translation blocks to be close to each other, the edge rolling wheel extrudes the surface of the battery steel shell, the rotating motor drives the rotating block to rotate at the moment, the edge rolling groove is rotated out of the surface of the steel shell, and the position of the edge rolling groove is coincided with the annular groove in the cover cap.
Further, the binding assembly further comprises a locking clamping jaw, and the locking clamping jaw is tightly connected with the mounting frame. The outline of the locking clamping jaw is set to be attached to the surface of a cylindrical battery, a driving mechanism of the locking clamping jaw belongs to the conventional technical means in the field, the specific structure is not described, and the battery is fixed by the locking clamping jaw before the battery is rolled.
Further, the sealing assembly comprises a support frame, a lower pressure cylinder, a compression plate, a blocking frame and a blocking cushion block, the support frame is tightly connected with the second machine table, the lower pressure cylinder is tightly connected with the support frame, the compression plate is tightly connected with an output shaft of the lower pressure cylinder, the blocking frame is tightly connected with the second machine table, and the blocking cushion block is tightly connected with the blocking frame. The blocking cushion block is located in the edge rolling of the battery steel shell, the pressing cylinder drives the pressing plate to move downwards, the battery after edge rolling is extruded, the edge rolling of the battery steel shell and the annular groove in the cover cap are extruded and shrunk, the battery steel shell and the cover cap are pressed and sealed, and the blocking cushion block is arranged to enable the battery shell body below the edge rolling not to collapse.
Further, the detection component comprises an adsorption plate, a lifting rod, a pulling electric cylinder and a sucking disc, wherein the adsorption plate is fixedly connected with the lifting rod, the pulling electric cylinder is fixedly connected with the lifting rod, and the sucking disc is fixedly connected with the output end of the pulling electric cylinder. The lifting rod can control lifting, the lifting in the lifting rod belongs to the conventional technical means in the field, and the specific structure is not described. According to the invention, the produced lithium battery is selected and inspected, the adsorption plate covers the lithium battery, the sucker is adsorbed on the surface of the lithium battery, the electric cylinder is pulled to pull the sucker outwards, if the lithium battery is originally leaked, the steel shell of the lithium battery is pulled to deform outwards, the steel shell is enlarged to generate negative pressure, the adsorption plate is adsorbed, the lifting rod moves upwards, the adsorption plate adsorbs the lithium battery, and the lithium battery is lifted. If at the in-process of dragging, the battery reveals, then the encapsulation of battery is also unqualified, because the battery is inside to set up to the negative pressure in advance, the battery reveals this moment, and the negative pressure is used in on the adsorption plate, and the adsorption plate is mentioned the lithium cell absorption, detects qualified lithium cell and can not be mentioned by the adsorption plate. According to the invention, the lithium battery is subjected to selective inspection by pulling, so that on one hand, the condition that the battery is not tightly packaged can be found in time, and the equipment can be adjusted more quickly, on the other hand, the detection assembly simulates the battery bulge effect in a pulling mode, the packaging effect of the battery in a bulge state is detected, and the detection accuracy is greatly improved.
Compared with the prior art, the invention has the following beneficial effects: the fixing unit realizes active gas extraction from the inner part of the cap in the process of primary sealing of the cap, and the gas extraction does not damage the steel shell body. On the other hand, the fixing unit also extracts negative pressure from the annular groove on the cap, the extraction of the gas at the annular groove of the cap can obviously improve the close and tight degree of the joint when the steel shell is rolled, the packaging effect of the lithium battery is enhanced, the negative pressure environment inside the battery is maintained, and the anti-bulging capacity of the battery is improved to a certain extent. According to the invention, the lithium battery is subjected to selective inspection by pulling, so that on one hand, the condition that the battery is not tightly packaged can be found in time, and the equipment can be adjusted more quickly, on the other hand, the detection assembly simulates the battery bulge effect in a pulling mode, the packaging effect of the battery in a bulge state is detected, and the detection accuracy is greatly improved. The lug adjusting assembly realizes the correction of the battery angle through the adjustment of the blocking area of the lug in the grating, and ensures that the lug and the cover cap can be accurately welded.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the tab adjusting assembly of the present invention;
FIG. 3 is a partial schematic view of the cap weld assembly of the present invention;
FIG. 4 is a schematic view of the overall structure of the fixing unit of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of the overall construction of the binding assembly of the present invention;
FIG. 7 is a schematic view of the overall construction of the seal assembly of the present invention;
FIG. 8 is a schematic view of the overall structure of the detecting assembly of the present invention;
in the figure: 1-tab adjusting component, 11-adjusting wheel, 12-positioning wheel, 13-first pushing block, 14-second pushing block, 15-correlation grating, 16-connecting frame, 17-first electric cylinder, 18-second electric cylinder, 19-adjusting motor, 2-cap welding component, 21-laser welding head, 24-guide tube, 25-fixing unit, 251-lifting motor, 252-screw rod, 253-nut plate, 254-suction tube, 255-fixing plate, 256-guide sleeve, 257-suction tube, 258-branch tube, 3-edge rolling component, 31-mounting frame, 32-rotating block, 33-rotating motor, 34-hydraulic cylinder, 35-sliding block, 36-hinge rod, 37-translation block, 38-edge rolling wheel, 39-locking clamping jaw, 4-sealing component, 41-supporting frame, 42-lower hydraulic cylinder, 43-compression plate, 44-blocking frame, 45-blocking block, 5-detecting component, 51-adsorption plate, 52-lifting machine platform, 53-pulling electric cylinder, 53-pulling cylinder, 6-suction cup, 7-second object flow belt, 8-second suction cup and 8-suction cup.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a lithium battery production packaging device for online sealing detection comprises a tab adjusting assembly 1, a cap welding assembly 2, a trimming assembly 3, a sealing assembly 4, a detection assembly 5, a logistics belt 6, a first machine table 7, a second machine table 8, the tab adjusting assembly 1, the cap welding assembly 2, the trimming assembly 3 and the first machine table 7 are fastened and connected, the sealing assembly 4, the detection assembly 5 and the second machine table 8 are fastened and connected, the logistics belt 6 passes through the first machine table 7 from the middle position of the second machine table 8, the tab adjusting assembly 1 is arranged on one side of the first machine table 7, the cap welding assembly 2 is arranged on one side of the tab adjusting assembly 1 close to the center of the first machine table 7, the trimming assembly 3 is arranged on one side of the cap welding assembly 2 far away from the tab adjusting assembly 1, the sealing assembly 4 is arranged on one side of the second machine table 8 close to the first machine table 7, and the detection assembly 5 is arranged on one side of the sealing assembly 4 far away from the trimming assembly 3. Utmost point ear adjusting part 1 is adjusted the angle of cylinder battery, guarantee utmost point ear and all move towards the same position, be provided with the battery on the commodity circulation area 6 and hold in the palm the cup, can tentatively prescribe a limit to the battery position, the battery moves ahead according to fixed beat under the drive of commodity circulation area 6, the battery of process utmost point ear adjustment is sent into block welding subassembly 2 department, the block of battery is welded on utmost point ear, and press the block in the battery box hat, binding subassembly 3 carries out the binding operation to the box hat, with fixed block, seal assembly 4 is fixed with block and box hat, detection element 5 detects the leakproofness of battery. The fixing unit 25 of the present invention realizes active gas extraction from the interior of the cap during the primary sealing of the cap, and the gas extraction does not damage the steel shell body.
As shown in fig. 1 and 2, the tab adjusting assembly 1 includes an adjusting wheel 11, a positioning wheel 12, a first push block 13, a second push block 14, an opposite grating 15, a connecting frame 16, a first electric cylinder 17, a second electric cylinder 18, and an adjusting motor 19, wherein the adjusting wheel 11 is rotatably connected to the first push block 13, two positioning wheels 12 are provided, both positioning wheels 12 are rotatably connected to the second push block 14, the two positioning wheels 12 are adjacently disposed, the first push block 13, the second push block 14 are slidably connected to the first machine table 7, the adjusting motor 19 is fixedly connected to the first push block 13, an output shaft of the adjusting motor 19 is fixedly connected to the positioning wheel 12, the first electric cylinder 17, the second electric cylinder 18 are fixedly connected to the first machine table 7, an output shaft of the first electric cylinder 17 is fixedly connected to the first push block 13, an output shaft of the second electric cylinder 18 is fixedly connected to the second push block 14, the connecting frame 16 is fixedly connected to the first machine table 7, and the opposite grating 15 is fixedly connected to the connecting frame 16. The cylinder battery passes through utmost point ear adjusting part 1 in proper order under the drive of commodity circulation area 6, every beat has a cylinder battery to stop between positioning wheel 12 and regulating wheel 11, first electric jar 17, second electric jar 18 promotes first ejector pad 13, second ejector pad 14 removes, two positioning wheel 12 are with cylinder battery box hat centre gripping, regulating wheel 11 pushes up at the cylinder battery opposite side, regulating motor 19 drives the cylinder battery and rotates, the utmost point ear of cylinder battery is located between correlation grating 15, correlation grating 15 is according to the state of the scope of being blockked by utmost point ear confirms the battery, when blockking the scope and reaching the setting value, show that utmost point ear adjustment is just to welding position, regulating motor 19 stall this moment, first electric jar 17, second electric jar 18 resets.
As shown in fig. 1, 3 and 4, the cap welding assembly 2 includes a laser welding head 21, a cap conveying belt, a material taking manipulator and a guide pipe 24, the laser welding head 21 is located on one side of the material flow belt 6, the guide pipe 24 is located on the other side of the material flow belt 6, the material taking manipulator is arranged on one side of the guide pipe 24 far away from the laser welding head 21, and the cap conveying belt is arranged on one side of the material taking manipulator far away from the guide pipe 24. The blocking cover is arranged on the outer side of the cap welding assembly 2 and provides welding protection, the cap is sucked up from the cap conveying belt by the material taking mechanical arm, the cap is sent into the guide pipe 24, the material taking mechanical arm can be far away from the material flow belt 6 due to the arrangement of the guide pipe 24, and the material taking mechanical arm can obtain a larger operation space. The guide tube 24 moves the cap to the cylindrical battery tab, and the laser welding head 21 welds the cap and the tab. The nut cap of the battery is provided with an annular groove, one side of the guide pipe 24 close to the laser welding head 21 is provided with an elastic clamping block, the elastic clamping block can be clamped into the annular groove of the nut cap, after each nut cap is welded, the material taking manipulator is plugged into a new nut cap at the other end of the guide pipe 24, and the welded nut cap is separated from the limitation of the elastic clamping block and moves to the next station along with the battery.
As shown in fig. 4 and 5, the cap welding assembly 2 further includes a fixing unit 25, the fixing unit 25 includes a lifting motor 251, a lead screw 252, a nut plate 253, a suction pipe 254, a fixed plate 255, a guide sleeve 256, a suction pipe 257, a branch pipe 258, a mobile robot arm, the mobile robot arm is fastened to the first machine table 7, a setting plate is disposed at a movable end of the mobile robot arm, the lifting motor 251 is fastened to the setting plate, an output shaft of the lifting motor 251 is fastened to the lead screw 252, a guide shaft is disposed between the guide sleeve 256 and the setting plate, both ends of the guide shaft are respectively fastened to the guide sleeve 256 and the setting plate, the lead screw 252 is rotatably connected to the guide sleeve 256, the nut plate 253 is slidably connected to the guide shaft, a transmission nut is disposed on the nut plate 253, the transmission nut is engaged with the lead screw 252, the suction pipe 254 is fastened to the nut plate 253, the suction pipe 254 is fastened to the fixed plate 255, the suction pipe 254, the fixed plate 255 is slidably connected to the guide sleeve 256, an inner side wall of the guide sleeve 256 is disposed on a side wall of the guide sleeve 256, one end of the guide sleeve 256 is connected to the suction pipe 257, and the other end of the guide sleeve 256, the suction pipe 257 is communicated with the end surface of the guide sleeve 256, and the end surface of the guide sleeve 256, the end of the guide sleeve 256, and the end surface of the end of the guide sleeve 256, the end of the branch pipe 256 is communicated with the end of the end surface of the suction pipe 257 and the end of the guide sleeve 256. The mobile mechanical arm drives the setting plate to move to a cap position, the suction pipe 254 extends out to adsorb the cap, the cap slides into the guide sleeve 256, the mobile mechanical arm drives the guide sleeve 256 to insert into a steel shell of the lithium battery, the upper end of the steel shell is expanded by an inner conical surface, the guide sleeve 256 is clamped between the steel shell and the cap, the suction pipe 254 pushes the cap under the drive of the lifting motor 251, when the suction pipe 254 moves, the fixed disk 255 moves, the sealed space pumps out gas in the steel shell of the battery along the suction pipe 257, when one end of the cap is separated from the guide sleeve 256, the cap is plugged into the steel shell, the cap primarily seals the steel shell, the suction pipe 257 does not pump any more, at the moment, the branch pipe 258 enters an annular groove area on the cap, the annular groove is pumped to be negative pressure along with the further movement of the cap, when the cap is completely plugged into the steel shell, the guide sleeve 256 moves and is taken out firstly, and the suction pipe 254 loosens the adsorption on the cap again. The fixing unit 25 of the present invention realizes active gas extraction from the interior of the cap during the primary sealing of the cap, and the gas extraction does not damage the steel shell body. On the other hand, the fixing unit 25 also performs negative pressure extraction on the annular groove position on the cap, the extraction of the gas at the annular groove position of the cap can obviously improve the close and tight degree of the fit when the steel shell is rolled, the packaging effect of the lithium battery is enhanced, the negative pressure environment inside the battery is maintained, and the anti-bulging capacity of the battery is improved to a certain extent.
As shown in fig. 6, the binding assembly 3 includes a mounting frame 31, a rotating block 32, a rotating motor 33, a hydraulic cylinder 34, a sliding block 35, a hinge rod 36, a translation block 37, a binding wheel 38, the mounting frame 31 is fixedly connected with the first machine 7, the rotating block 32 is rotatably connected with the bottom of the mounting frame 31, the rotating motor 33 is fixedly connected with the top of the mounting frame 31, an output shaft of the rotating motor 33 is fixedly connected with the rotating block 32, the sliding block 35 is slidably connected with the side wall of the rotating block 32, the translation block 37 is slidably connected with the bottom of the rotating block 32, one end of the hinge rod 36 is hinged with the sliding block 35, the other end of the hinge rod 36 is hinged with the translation block 37, the binding wheel 38 is rotatably connected with the translation block 37, the hinge rod 36 and the binding wheel 38 are provided with two sets, and the two sets of hinge rods 36 are hinged with the same sliding block 35. When the battery reaches the position of the binding component 3, the hydraulic cylinder 34 drives the sliding block 35 to move upwards, the hinge rod 36 drives the two translation blocks 37 to approach each other, the binding wheel 38 extrudes the surface of the steel shell of the battery, at the moment, the rotating motor 33 drives the rotating block 32 to rotate, a binding groove is formed in the surface of the steel shell in a rotating mode, and the position of the binding groove is overlapped with the annular groove in the cover cap.
As shown in fig. 6, the binding assembly 3 further includes a locking jaw 39, and the locking jaw 39 is tightly connected to the mounting bracket 31. The outline of the locking clamping jaw 39 is arranged to be attached to the surface of a cylindrical battery, the driving mechanism of the locking clamping jaw 39 belongs to the conventional technical means in the field, the specific structure is not described, and the battery is fixed by the locking clamping jaw 39 before the battery is rolled.
As shown in fig. 7, the sealing assembly 4 includes a supporting frame 41, a lower pressure cylinder 42, a pressing plate 43, a blocking frame 44, and a blocking pad 45, wherein the supporting frame 41 is fastened to the second machine platform 8, the lower pressure cylinder 42 is fastened to the supporting frame 41, the pressing plate 43 is fastened to an output shaft of the lower pressure cylinder 42, the blocking frame 44 is fastened to the second machine platform 8, and the blocking pad 45 is fastened to the blocking frame 44. The blocking cushion block 45 is located in the edge rolling of the battery steel shell, the lower pressure cylinder 42 drives the compression plate 43 to move downwards to extrude the battery after edge rolling, the edge rolling of the battery steel shell and the annular groove in the cover cap are extruded and contracted, the battery steel shell and the cover cap are compressed and sealed, and the battery shell body below the edge rolling cannot collapse due to the arrangement of the blocking cushion block 45.
As shown in fig. 8, the detecting assembly 5 includes an absorbing plate 51, a lifting rod 52, a pulling electric cylinder 53 and a suction cup 54, the absorbing plate 51 is fastened to the lifting rod 52, the pulling electric cylinder 53 is fastened to the lifting rod 52, and the suction cup 54 is fastened to an output end of the pulling electric cylinder 53. The lifting rod 52 of the invention can control lifting, the lifting in the lifting rod 52 belongs to the conventional technical means in the field, and the specific structure is not described. According to the invention, the produced lithium battery is subjected to selective inspection, the adsorption plate 51 covers the lithium battery, the sucker 54 is adsorbed on the surface of the lithium battery, the electric cylinder 53 is pulled to pull the sucker 54 outwards, if the lithium battery is originally leaked, the steel shell of the lithium battery is pulled to deform outwards, the steel shell is expanded to generate negative pressure, the adsorption plate 51 is adsorbed, the lifting rod 52 moves upwards, the adsorption plate 51 adsorbs the lithium battery, and the lithium battery is lifted. If at the in-process of dragging, the battery reveals, then the encapsulation of battery is also unqualified, because the inside negative pressure that sets up in advance of battery, the battery reveals this moment, and the negative pressure is used in adsorption plate 51, and adsorption plate 51 lifts up the lithium cell absorption, detects qualified lithium cell and can not lift up by adsorption plate 51. According to the invention, the lithium battery is subjected to selective inspection by pulling, so that on one hand, the condition that the battery is not tightly packaged can be found in time, and the equipment can be adjusted more quickly, on the other hand, the detection assembly simulates the battery bulge effect in a pulling mode, the packaging effect of the battery in a bulge state is detected, and the detection accuracy is greatly improved.
The working principle of the invention is as follows: the cylinder battery passes through utmost point ear adjusting part 1 in proper order under the drive of commodity circulation area 6, every beat has a cylinder battery to stop between positioning wheel 12 and regulating wheel 11, first electric jar 17, second electric jar 18 promotes first ejector pad 13, second ejector pad 14 removes, two positioning wheel 12 are with cylinder battery box hat centre gripping, regulating wheel 11 pushes up at the cylinder battery opposite side, regulating motor 19 drives the cylinder battery and rotates, the utmost point ear of cylinder battery is located between correlation grating 15, correlation grating 15 is according to the state of the scope of being blockked by utmost point ear confirms the battery, when blockking the scope and reaching the setting value, show that utmost point ear adjustment is just to welding position, regulating motor 19 stall this moment, first electric jar 17, second electric jar 18 resets. The cap is sucked up from the cap conveying belt by the material taking manipulator, the cap is sent into the guide pipe 24, the cap is moved to the position of the cylindrical battery tab by the guide pipe 24, and the cap and the tab are welded by the laser welding head 21. After the cap is welded, the movable mechanical arm drives the suction pipe to adsorb the cap, and the cap is pressed into the steel shell. The battery reaches the position department of border subassembly 3, and pneumatic cylinder 34 drives sliding block 35 and shifts up, and articulated rod 36 drives two translation pieces 37 and is close to each other, and border wheel 38 extrudees the battery box hat surface, and rotating electrical machines 33 drives rotatory piece 32 and rotates this moment, has rolled out the border groove on the box hat surface. The lower pressure cylinder 42 drives the compression plate 43 to move downwards to extrude the battery after edge rolling, and the detection assembly 5 performs sampling detection on the packaged lithium battery.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an online seal detects's encapsulation equipment for lithium cell production which characterized in that: the packaging equipment comprises a lug adjusting assembly (1), a cover cap welding assembly (2), a trimming assembly (3), a sealing assembly (4), a detection assembly (5), a logistics belt (6), a first machine table (7) and a second machine table (8), wherein the lug adjusting assembly (1), the cover cap welding assembly (2), the trimming assembly (3) and the first machine table (7) are fixedly connected, the sealing assembly (4), the detection assembly (5) and the second machine table (8) are fixedly connected, the logistics belt (6) penetrates through the middle positions of the first machine table (7) and the second machine table (8), the lug adjusting assembly (1) is arranged on one side of the first machine table (7), the cover cap welding assembly (2) is arranged on one side, close to the center of the first machine table (7), of the trimming assembly (3) is arranged on one side, far away from the lug adjusting assembly (1), of the cover cap welding assembly (2), the sealing assembly (4) is arranged on one side, close to the first machine table (7), of the second machine table (8), and the detection assembly (5) is arranged on one side, far away from the trimming assembly (3);
the cap welding assembly (2) comprises a laser welding head (21), a cap conveying belt, a material taking mechanical arm and a guide pipe (24), wherein the laser welding head (21) is positioned on one side of the logistics belt (6), the guide pipe (24) is positioned on the other side of the logistics belt (6), the material taking mechanical arm is arranged on one side, away from the laser welding head (21), of the guide pipe (24), and the cap conveying belt is arranged on one side, away from the guide pipe (24), of the material taking mechanical arm;
the cap welding assembly (2) further comprises a fixing unit (25), the fixing unit (25) comprises a lifting motor (251), a screw rod (252), a nut plate (253), a suction pipe (254), a fixed disc (255), a guide sleeve (256), an air suction pipe (257), a branch pipe (258) and a moving mechanical arm, the moving mechanical arm is fixedly connected with the first machine table (7), a setting plate is arranged at the movable end of the moving mechanical arm, the lifting motor (251) is fixedly connected with the setting plate, an output shaft of the lifting motor (251) is fixedly connected with the screw rod (252), a guide shaft is arranged between the guide sleeve (256) and the setting plate, two ends of the guide shaft are respectively fixedly connected with the guide sleeve (256) and the setting plate, the screw rod (252) is rotatably connected with the guide sleeve (256), the nut plate (253) is slidably connected with the guide shaft, a transmission nut is arranged on the nut plate (253), the transmission nut is meshed with the screw rod (252), the nut plate (254) is fixedly connected with the nut plate (255), the suction pipe (254) is connected with the suction pipe (255), one end of the guide sleeve (256) is connected with the side wall of the suction pipe (257), and one end of the fixed disc (256) is connected with the suction pipe (257), and one end of the guide sleeve (256) is arranged on the guide sleeve (254), and one end of the suction pipe (254) is arranged on the guide sleeve (254) which is far away from the side wall of the suction pipe (256), and the suction pipe (255), and one end of the guide sleeve (256), and one end of the suction pipe (256) which is arranged on which is connected with the guide sleeve (257), A branch pipe (258) is embedded in the side wall of the guide sleeve (256), one end of the air suction pipe (257) is communicated with a sealed space between the guide sleeve (256) and the fixed disc (255), the other end of the air suction pipe (257) is communicated with the open end face of the guide sleeve (256), one end of the branch pipe (258) is communicated with the air suction pipe (257), and the other end of the branch pipe (258) is communicated with the inner wall of the guide sleeve (256);
the detection assembly (5) comprises an adsorption plate (51), a lifting rod (52), a pulling electric cylinder (53) and a suction cup (54), the adsorption plate (51) is fixedly connected with the lifting rod (52), the pulling electric cylinder (53) is fixedly connected with the lifting rod (52), and the suction cup (54) is fixedly connected with the output end of the pulling electric cylinder (53).
2. The packaging equipment for lithium battery production with online sealing detection according to claim 1, wherein: the tab adjusting assembly (1) comprises an adjusting wheel (11), a positioning wheel (12), a first push block (13), a second push block (14), a correlation grating (15), a connecting frame (16), a first electric cylinder (17), a second electric cylinder (18) and an adjusting motor (19), wherein the adjusting wheel (11) is rotatably connected with the first push block (13), the positioning wheel (12) is provided with two positioning wheels (12) which are rotatably connected with the second push block (14), the two positioning wheels (12) are adjacently arranged, the first push block (13), the second push block (14) and the first machine table (7) are in sliding connection, the adjusting motor (19) is fixedly connected with the first push block (13), an output shaft of the adjusting motor (19) is fixedly connected with the positioning wheel (12), the first electric cylinder (17), the second electric cylinder (18) is fixedly connected with the first machine table (7), an output shaft of the first electric cylinder (17) is fixedly connected with the first push block (13), the second push block (18) is fixedly connected with the second machine table (7), the output shaft of the first electric cylinder (17) is fixedly connected with the second push block (16), and the correlation grating connecting frame (16) is connected with the second push block (15).
3. The packaging equipment for lithium battery production with online sealing detection according to claim 1, wherein: binding subassembly (3) include mounting bracket (31), rotatory piece (32), rotating electrical machines (33), pneumatic cylinder (34), sliding block (35), articulated rod (36), translation piece (37), binding wheel (38), mounting bracket (31) and first platform (7) fastening connection, rotatory piece (32) and mounting bracket (31) bottom are rotated and are connected, rotating electrical machines (33) and mounting bracket (31) top fastening connection, the output shaft and the rotatory piece (32) fastening connection of rotating electrical machines (33), sliding block (35) and rotatory piece (32) lateral wall sliding connection, translation piece (37) and rotatory piece (32) bottom sliding connection, articulated rod (36) one end and sliding block (35) are articulated, and articulated rod (36) other end and translation piece (37) are articulated, binding wheel (38) and translation piece (37) are rotated and are connected, translation piece (37), articulated rod (36), binding wheel (38) are provided with two sets ofly, two sets of articulated rod (36) and same piece (35) are articulated.
4. The packaging equipment for lithium battery production with online sealing detection according to claim 3, wherein: the binding assembly (3) further comprises a locking clamping jaw (39), and the locking clamping jaw (39) is tightly connected with the mounting frame (31).
5. The packaging equipment for lithium battery production with online sealing detection according to claim 4, wherein: seal assembly (4) are including support frame (41), push down jar (42), oppression board (43), block frame (44), block cushion (45), support frame (41) and second board (8) fastening connection, push down jar (42) and support frame (41) fastening connection down, the output shaft fastening connection of oppression board (43) and push down jar (42), block frame (44) and second board (8) fastening connection, block cushion (45) and block frame (44) fastening connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211279624.2A CN115347226B (en) | 2022-10-19 | 2022-10-19 | Online sealing detection packaging equipment for lithium battery production |
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| CN202211279624.2A CN115347226B (en) | 2022-10-19 | 2022-10-19 | Online sealing detection packaging equipment for lithium battery production |
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| CN115347226A CN115347226A (en) | 2022-11-15 |
| CN115347226B true CN115347226B (en) | 2022-12-27 |
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| CN115533280B (en) * | 2022-12-05 | 2023-03-10 | 江苏垒博汽配制造有限公司 | Be applied to multi-functional welding machine of muffler |
| CN118050136A (en) * | 2024-04-16 | 2024-05-17 | 河南思特迪流体科技有限公司 | Hydraulic pipe fitting tightness detection device |
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| JP2004327097A (en) * | 2003-04-22 | 2004-11-18 | Ngk Spark Plug Co Ltd | Method and apparatus for inspecting battery, and stacked cell |
| CN110253142A (en) * | 2019-07-03 | 2019-09-20 | 伊欧激光科技（苏州）有限公司 | The automatic assembling device of cylindrical lithium ion cell cap |
| CN212158939U (en) * | 2020-05-26 | 2020-12-15 | 捷威动力工业嘉兴有限公司 | Battery leakproofness detection device |
| CN111665448A (en) * | 2020-07-10 | 2020-09-15 | 广东正业科技股份有限公司 | Automatic battery detection equipment |
| CN114486096A (en) * | 2022-02-10 | 2022-05-13 | 大连中比动力电池有限公司 | Sealing detection device and method for cylindrical steel shell lithium battery |
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